Home / 2,191,159.95-3,023,957.17-1,211,077.97

Finding the Fourth Proportional to 2,191,159.95, 3,023,957.17 and 1,211,077.97

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Solution

The fourth proportional to 2,191,159.95, 3,023,957.17 and 1,211,077.97 is: 1,671,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,159.95 : 3,023,957.17 = 1,211,077.97 : x
  2. Step 2: Convert to fraction form
    2,191,159.95/3,023,957.17 = 1,211,077.97/x
  3. Step 3: Cross multiply
    2,191,159.95x = 3,023,957.17 × 1,211,077.97
  4. Step 4: Simplify right side
    2,191,159.95x = 3,662,247,910,810.55
  5. Step 5: Solve for x
    x = 3,662,247,910,810.55/2,191,159.95
  6. Step 6: Final answer
    x = 1,671,374.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.